Internal mixer camtwist8/1/2023 ![]() ![]() Hence, with reduced contamination, you get a guaranteed higher quality of your mix compound. Your rubber and its recipe constituents are mixed and sheeted-out in a closed environment under temperature controlled conditions right from the time you feed it into your internal mixer. Reduced Contamination: In open two-roll mixing mills, your rubber mixing is exposed to the environment and it is difficult to control any dirt or moisture absorption by the compound during milling process.Even if not fully automated, you do not need an operator once the discharge of rubber sheet from TSS is fed into a Batch-off. Unlike two-roll open mills ( with or without ), where you will need two separate operators, a TSS can be set up to perform sheeting function of rubber sheet without an hands-on operator at its vicinity. Labor: The second aspect is the reduction is labor cost.So, this rough calculation, when a TSS replaces the traditional dump-mill with sheeting mill set up, straightaway gives you 16.7% savings in energy (60 kW less). For a similar capacity mixer, a TSS downstream will not seek more than 300 kW power ( again, there is energy-efficient models available here). Each 26″x84″ two-roll mill, requires around 180 kW (minimum) motor power – totaling to 360 kW (=180 x 2) only for the mills. If you are using a 270 Liter Tangential Internal Mixer, you are engaging at least two units of 26″x84″ two-roll mills in the downstream section. Let me help you with a quick back of the envelope calculation. So, any technological advancement that has the potential to reduce energy consumption receives my first preference ( and I hope you will agree with me here). Energy Saving: Rubber compounding is a energy-intensive process. ![]() So, here’s why we love Twin Screw Extruder Sheeter (And, I feel, You Should, Too!). You will find the TSS to be ideal for conventional and diverse applications including tire manufacturing, custom compounding, hose & belt manufacturing and technical rubber goods production. ![]() In construction, they all appear similar as shown below.įor reading simplicity, let me address this machinery simply as “TSS” for the rest of this article. For example, you will get a Conical Twin Extruder (CTE) with Roller Head from Colmec SpA, Twin Screw Roller Head Extruder (TSR)from Kobelco, Twin Screw Discharge Extruder (Convex™) from HF Mixing Group or simply Twin Screw Sheeter (TSS) from other rubber machinery manufacturers like Bainite Machines. When you explore this equipment for purchase, you should not be surprised with different OEM’s calling it in similar sounding names. This means you could visualize Twin Screw (Extruder) Sheeter, as a rubber machinery that accepts mix compound directly discharged from an internal mixer into its hopper chute and converts it into a continuous, seamless rubber sheet that is then fed into a Batch-Off Cooling Line.įor those who have been following my blog, you have already viewed a video of this equipment in action in my earlier post Rubber Mixing Room. Twin Screw Sheeter replaces the dump-mill and sheeting mill combination in a traditional rubber mixing line(an image you had seen in my earlier post – Single-Stage or Two-Stage Mixing?). ![]()
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